Prof. Hale KÖÇKEN

Publication Network

Articles 34

1. Modeling risk attitudes in picture fuzzy multi-objective linear programming with chance constraints

Günay Akdemir H., Gonce Kocken H., Kara N.

Information Sciences , vol.734, 2026 (SCI-Expanded, Scopus)

2. Solution to the single parametric linear programming problems via simplex-based algorithms: handling the uncertainties in costs, left or right-hand sides

Ergenecosar G. T., KÖÇKEN H., ALBAYRAK F. İ., Sivri M.

Croatian Operational Research Review , vol.17, no.1, pp.29-40, 2026 (ESCI, Scopus)

3. Predicting survival of patients with heart failure by optimizing the hyperparameters

İNSEL M. A., SADE J., MUŞTU S., KÖÇKEN H., ALBAYRAK F. İ.

INTERNATIONAL JOURNAL OF KNOWLEDGE-BASED AND INTELLIGENT ENGINEERING SYSTEMS , vol.29, pp.262-277, 2025 (ESCI, Scopus)

4. A fuzzy approach for the intuitionistic multi-objective linear fractional programming problem using a bisection method

Kara N., KÖÇKEN H., Akdemir H. G.

Journal of Combinatorial Optimization , vol.49, no.2, 2025 (SCI-Expanded, Scopus)

5. Public health challenges after the February 6 earthquakes: A comprehensive review of immediate and long-term impacts in Türkiye

Koçer A. T., Akpek A., Vural A., Aslan A., Erkoç A., Özen A. M., et al.

International Journal of Disaster Risk Reduction , vol.114, 2024 (SCI-Expanded, Scopus) Sustainable Development

6. Matrix norm methods for zero-sum fuzzy matrix games with payoffs of triangular fuzzy numbers

İzgi B., KÖÇKEN H., Özkaya M.

Applied Mathematics and Computation , vol.479, 2024 (SCI-Expanded, Scopus)

7. Unravelling poly(1-vinyl-1,2,4-triazole) hydrogels behaviors and enhancing 5-Fluorouracil delivery systems by utilizing a fuzzy modelling approach

Pekel Bayramgil N., İnsel M. A., Gonce Kocken H., Albayrak I., Karakuş S.

Physica Scripta , vol.99, no.8, 2024 (SCI-Expanded, Scopus) Sustainable Development

8. On credibilistic multi-objective linear programming problems with generalized intuitionistic fuzzy parameters

Akdemir H. G., KÖÇKEN H., Kara N.

OPSEARCH , vol.61, no.1, pp.71-97, 2024 (ESCI, Scopus)

9. Minimum cost flow problems in generalized fuzzy environments. Credibilistic CVaR minimization approach

Akdemir H. G., Kara N., KÖÇKEN H.

Operations Research and Decisions , vol.34, no.3, pp.125-141, 2024 (ESCI, Scopus)

10. A Scenario-based Interval Multi-objective Mixed-integer Programming Model for a Water Supply Problem: An Integrated AHP Technique

Ucler N., Gonce Kocken H.

Water Resources Management , vol.37, no.15, pp.5973-5988, 2023 (SCI-Expanded, Scopus) Sustainable Development

11. On Modeling of Surface Tension of CMC-α-Fe2O3 Nanoparticles by Fuzzy-Hybrid Approach: A Comparison Study

Köçken H., Insel M. A., Temelcan G., Karakuş S., Albayrak F. İ.

CANADIAN JOURNAL OF CHEMICAL ENGINEERING , vol.101, no.11, pp.6446-6454, 2023 (SCI-Expanded, Scopus) Sustainable Development

12. A Fuzzy Programming Based Approach to a Multi-Objective Multi-Echelon Green Closed-Loop Supply Chain Problem

Kocken K., ÖZKÖK B., KÖÇKEN H.

Cybernetics and Information Technologies , vol.23, no.3, pp.40-55, 2023 (ESCI, Scopus)

13. New unified score functions and similarity measures for non-standard fuzzy numbers: an extended TOPSIS method addressing risk attitudes

Akdemir H. G., KÖÇKEN H.

Neural Computing and Applications , vol.35, no.19, pp.14029-14046, 2023 (SCI-Expanded, Scopus)

14. Handling uncertainty in rheological properties of green eggshell nanocomposites by a fuzzy-hybrid modeling approach: a comparative study

İnsel M. A., Karakuş S., Temelcan G., Köçken H., Albayrak F. İ.

Physica Scripta , vol.98, no.3, 2023 (SCI-Expanded, Scopus) Sustainable Development

15. A new fuzzy linear regression algorithm based on the simulation of fuzzy samples and an application on popularity prediction of Covid-19 related videos

Akdemir H. G., KÖÇKEN H.

JOURNAL OF STATISTICS AND MANAGEMENT SYSTEMS , vol.25, no.8, pp.2025-2041, 2022 (ESCI) Sustainable Development

16. An exact iterative algorithm to solve a linear fractional programming problem

Kocken H., Özkök B., Ahlatcioglu M.

SCIENTIA IRANICA INTERNATIONAL JOURNAL OF SCIENCE & TECHNOLOGY , vol.0, pp.1-27, 2022 (SCI-Expanded, Scopus)

17. A novel iterative method to solve a linear fractional transportation problem

Bas S., Kocken H., ÖZKÖK B.

PAKISTAN JOURNAL OF STATISTICS AND OPERATION RESEARCH , vol.18, no.1, pp.151-166, 2022 (ESCI, Scopus)

18. A Game Theory-based Approach to Fuzzy Linear Transportation Problem

TEMELCAN G., KÖÇKEN H., ALBAYRAK F. İ.

Fuzzy Logic and Modeling in Engineering , vol.1, no.2, pp.28-33, 2022 (Peer-Reviewed Journal)

19. Finding compromise solutions for fully fuzzy multi-objective linear programming problems by using game theory approach

Temelcan G., Gonce Kocken H., Albayrak I.

Journal of Intelligent and Fuzzy Systems , vol.42, no.1, pp.283-293, 2022 (SCI-Expanded, Scopus)

20. A Fuzzy approach to multi-objective solid transportation problem with mixed constraints using hyperbolic membership function

Kara N., Kocken H.

Cybernetics and Information Technologies , vol.21, no.4, pp.158-167, 2021 (ESCI, Scopus)

21. Fuzzy modelling of static system optimum traffic assignment problem having multi origin-destination pair

Temelcan G., KÖÇKEN H., Albayrak I.

Socio-Economic Planning Sciences , vol.77, 2021 (SCI-Expanded, SSCI, Scopus) Sustainable Development

22. Generating a set of compromise solutions of a multi objective linear programming problem through the game theory

Köçken H., Albayrak F. İ., Sivri M., Akın S.

Operations Research and Decisions , vol.29, no.29, pp.77-88, 2019 (ESCI, Scopus)

23. SYSTEM OPTIMUM FUZZY TRAFFIC ASSIGNMENT PROBLEM

Temelcan G., Kocken H., Albayrak I.

PROMET-TRAFFIC & TRANSPORTATION , vol.31, no.6, pp.611-620, 2019 (SCI-Expanded, Scopus)

24. A simple parametric method to generate all optimal solutions of fuzzy solid transportation problem

Kocken H., Sivri M.

APPLIED MATHEMATICAL MODELLING , vol.40, pp.4612-4624, 2016 (SCI-Expanded, Scopus)

25. An approach for finding fuzzy optimal and approximate fuzzy optimal solution of fully fuzzy linear programming problems with mixed constraints

Özkök B., Albayrak F. İ., Köçken H., Ahlatcıoğlu M.

JOURNAL OF INTELLIGENT & FUZZY SYSTEMS , vol.31, pp.623-632, 2016 (SCI-Expanded, Scopus)

26. Finding the fuzzy solutions of a general fully fuzzy linear equation system

Kocken H., AHLATCIOĞLU M., ALBAYRAK F. İ.

JOURNAL OF INTELLIGENT & FUZZY SYSTEMS , vol.30, no.2, pp.921-933, 2016 (SCI-Expanded, Scopus)

27. A mixed integer programming approach to a square fully fuzzy linear equation

AHLATCIOĞLU M., Albayrak I., Kocken H. G., Ozkok B.

JOURNAL OF INTELLIGENT & FUZZY SYSTEMS , vol.31, no.3, pp.2009-2015, 2016 (SCI-Expanded, Scopus)

28. Game theory and fuzzy programming approaches for bi-objective optimization of reservoir watershed management: a case study in Namazgah reservoir

Ucler N., Engin G., Köçken H., Oncel M. S.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH , vol.22, no.9, pp.6546-6558, 2015 (SCI-Expanded, Scopus) Sustainable Development

29. Using some fuzzy aggregation operators for multi objective linear transportation problem

Köçken H., Tiryaki F.

SIGMA JOURNAL OF ENGINEERING AND NATURAL SCIENCES-SIGMA MUHENDISLIK VE FEN BILIMLERI DERGISI , vol.32, no.4, pp.399-421, 2014 (ESCI)

30. Üniversite ders zaman çizelgeleme problemi için ikili tamsayılı bir model ve bir uygulama

Köçken H., Özdemir R., Ahlatcıoğlu M.

İstanbul Üniversitesi, İşletme Fakültesi Dergisi , vol.43, no.1, pp.28-54, 2014 (TRDizin)

31. A Compensatory Fuzzy Approach to Multi Objective Linear Transportation Problem with Fuzzy Parameters

Köçken H., Özkök B., Tiryaki F.

EUROPEAN JOURNAL OF PURE AND APPLIED MATHEMATICS , vol.7, no.3, pp.369-386, 2014 (ESCI, Scopus)

32. A Solution Proposal To Indefinite Quadratic Interval Transportation Problem

Dalman H., Köçken H., Sivri M.

New Trends in Mathematical Sciences , vol.1, pp.7-12, 2013 (Peer-Reviewed Journal)

33. A Compensatory Approach to Multi objective Interval Transportation Problem

KÖÇKEN H., AHLATCIOĞLU M.

SIGMA JOURNAL OF ENGINEERING AND NATURAL SCIENCES-SIGMA MUHENDISLIK VE FEN BILIMLERI DERGISI , vol.31, no.1, pp.20-33, 2013 (ESCI)

34. A Compensatory Approach to Multiobjective Linear Transportation Problem with Fuzzy Cost Coefficients

Kocken H., AHLATCIOĞLU M.

MATHEMATICAL PROBLEMS IN ENGINEERING , 2011 (SCI-Expanded, Scopus)

Papers Presented at Peer-Reviewed Scientific Conferences 25

1. A Numerical Method for Integration of a Fuzzy Function over a Fuzzy Interval

Temelcan G., Kocken H., Albayrak I.

International Conference on Intelligent and Fuzzy Systems, INFUS 2021, İstanbul, Turkey, 24 - 26 August 2021, vol.307, pp.281-288, (Full Text)

2. Solving the System Optimum Static Traffic Assignment Problem with Single Origin Destination Pair in Fuzzy Environment

Temelcan G., Köçken H., Albayrak F. İ.

International Conference on Intelligent Desicion Science, İstanbul, Turkey, 7 - 08 August 2021, pp.521-530, (Full Text)

3. Solving Fuzzy Multi-objective Linear Programming Problems Using Multi-player Zero-Sum Game

Temelcan G., Albayrak I., Köçken H., Sivri M.

International Conference on Intelligent and Fuzzy Systems, INFUS 2020, İstanbul, Turkey, 21 - 23 July 2020, vol.1197 AISC, pp.1483-1490, (Full Text)

4. Solving the System Optimum Static Traffic Assignment Problem with Single Origin Destination Pair in Fuzzy Environment

Temelcan G., Köçken H., Albayrak F. İ.

The 4-th International Conference on Intelligent Decision Science (IDS), İstanbul, Turkey, 7 - 08 August 2020, pp.111-112, (Full Text)

5. Fuzzy Modelling on Control of Heat Exchangers

İnsel M. A., Albayrak F. İ., Köçken H.

International Conference on Mathematics and its Applications in Science and Engineering (ICMASE2020), Ankara, Turkey, 9 - 10 July 2020, pp.177-184, (Full Text)

6. Comparison of Nontraditional Optimization Techniques in Optimization of Shell and Tube Heat Exchanger

İnsel M. A., Albayrak F. İ., Köçken H.

International Conference on Mathematics and its Applications in Science and Engineering (ICMASE2020), Ankara, Turkey, 9 - 10 July 2020, pp.185-196, (Full Text)

7. AN INVESTMENT DECISION MAKING METHODOLOGY BASED ON TYPE-2 FUZZY AHP: A CASE STUDY ON BORSA ISTANBUL (BIST)

Özkök B., Köçken H.

International Conference on Applied Research in Management, Business and Economics, Barcelona, Spain, 5 - 07 April 2019, pp.50-61, (Full Text)

8. On the Solution of a Fully Fuzzy Transportation Problem

Köçken H.

International Conference on Applied Analysis and Mathematical Modeling, ICAAMM 2019, İstanbul, Turkey, 10 - 13 March 2019, pp.150, (Summary Text)

9. A Mixed Integer Modelling of a Shift Scheduling Problem in a Call Center

Vural A., Köçken H.

International Conference on Applied Analysis and Mathematical Modeling, İstanbul, Turkey, 10 - 13 March 2019, pp.147, (Summary Text)

10. A new method for generating some extreme points of a convex polyhedron for solving multi-objective linear programming problems using game theory approach

Sivri M., Köçken H., Albayrak F. İ., Temelcan G., Esen H.

International Conference on Mathematical Studies and Applications, Konya, Turkey, 4 - 07 October 2018, pp.112, (Summary Text)

11. A game theory based approach to generate a set of compromise solutions of a multiobjective linear programming problem

SİVRİ M., KÖÇKEN H., ALBAYRAK F. İ., AKIN S.

INTERNATIONAL CONFERENCE ON APPLIED ANALYSIS AND MATHEMATICAL MODELING, 2018, İstanbul, Turkey, 20 June 2018, pp.13, (Summary Text)

12. User-Optimum Fuzzy Traffic Assignment Problem

Temelcan G., Albayrak F. İ., Köçken H.

13th Balkan Conference on Operational Research (BALCOR’18), Belgrade, Serbia And Montenegro, 25 - 28 May 2018, pp.57, (Summary Text)

13. FUZZY ANALYSİS OF A TRAFFİC ASSIGNMENT PROBLEM

TEMELCAN G., KÖÇKEN H., ALBAYRAK F. İ.

37.YÖNEYLEM ARAŞTIRMASI VE ENDÜSTRİ MÜHENDİSLİĞİ ULUSAL KONGRESİ, Turkey, 5 - 07 July 2017, (Summary Text)

14. Fuzzy Analysis of a traffic assignment problem

TEMELCAN G., KÖÇKEN H., ALBAYRAK F. İ.

37. YÖNEYLEM ARAŞTIRMASI VE ENDÜSTRİ MÜHENDİSLİĞİ ULUSAL KONGRESİ, Turkey, 5 - 07 July 2017, (Summary Text)

15. FUZZY EQUILIBRIUM ANALYSIS OF A TRANSPORTATION NETWORK PROBLEM

TEMELCAN G., KÖÇKEN H., ALBAYRAK F. İ.

IFSCOM, Mersin, Turkey, 29 August - 01 September 2016, (Summary Text)

16. On the Solution of a nxn Fully Fuzzy Linear Equation System with Triangular Fuzzy Numbers

Ahlatcıoğlu M., Albayrak F. İ., Köçken H., Özkök B.

ICWOMA (International Conference and Workshop On MathematicalAnalysis), Kuala-Lumpur, Malaysia, 27 - 30 May 2014, pp.36, (Summary Text)

17. Fuzzy approaches to supplier selection problem

Özkök B., Köçken H.

International Conference on Mathematical Sciences and Istatistic 2013, (ICMSS 2013), Kuala-Lumpur, Malaysia, 5 - 07 February 2013, vol.1557, pp.355-360, (Full Text)

18. The fractional transportation problem with interval demand, supply and costs

Köçken H., Emiroğlu İ., Güler C., Taşçi F., Sivri M.

International Conference on Mathematical Sciences and Istatistic 2013 (ICMSS 2013), Kuala-Lumpur, Malaysia, 5 - 07 February 2013, vol.1557, pp.339-344, (Full Text)

19. The Fractional Transportation Problem with Interval Demand, Supply and Costs

Kocken H., Emiroğlu İ., Gueler C., Taşçi F., Sivri M.

International Conference on Mathematical Sciences and Statistics (ICMSS), Kuala-Lumpur, Malaysia, 5 - 07 February 2013, vol.1557, pp.339-344, (Full Text)

20. A Fuzzy Approach to Closed Loop Supply Chain using Mixed-Integer Linear Programming

Özkök B., Köçken H., Budak E.

International Conference on Applied Analysis and Algebra ICAAA 2012, İstanbul, Turkey, 20 June 2012, pp.76, (Summary Text) Sustainable Development

21. Using some fuzzy aggregation operators for Multi-Objective Linear Transportation Problem

Köçken H., Tiryaki F.

International Conference on Applied Analysis and Algebra (ICAAA 2011), İstanbul, Turkey, 29 June - 02 July 2011, pp.250, (Summary Text)

22. A Compensatory Approach to Fuzzy Shortest Path Problem

Köçken H., Ahlatcıoğlu M., Tiryaki F.

1st International Fuzzy Systems Symposium, Ankara, Turkey, 1 - 02 October 2009, pp.1-12, (Full Text)

23. Bulanık En Kısa Yol Problemi ve Bir Uygulama

KÖÇKEN H., TİRYAKİ F.

Yöneylem Araştırması ve Endüstri Mühendisliği 2008 (YA/EM’2008) 28. Ulusal Kongresi, Turkey, 1 - 04 July 2008, (Summary Text)

24. A Compensatory Fuzzy Approach to Multiobjective Solid Transportation Problem

Tiryaki F., Köçken H.

Mathematical Methods in Engineering International Symposium (MME-06), Ankara, Turkey, 27 - 29 April 2006, pp.1-10, (Full Text)

25. A Compensatory Fuzzy Approach to Multiple Objective Linear Transportation Problem

Tiryaki F., Köçken H.

Innovations in Intelligent Systems and Applications, INISTA’2005, İstanbul, Turkey, 15 - 18 October 2005, pp.79-82, (Full Text)

Books 9

1. A Numerical Method for Integration of a Fuzzy Function over a Fuzzy Interval

TEMELCAN G., KÖÇKEN H., ALBAYRAK F. İ.

in: Intelligent and Fuzzy Techniques for Emerging Conditions and Digital Transformation.INFUS 2021 Lecture Notes in Networks and Systems, Kahraman, C., Cebi, S., Cevik Onar, S., Oztaysi, B., Tolga, A.C., Sari, I.U., Editor, Springer, Cham., pp.281-288, 2022

Publications & Works